<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			
			var age  = 60;
			var ageStr = '60';
			console.log("age: "+age)
			console.log("age>60: "+(age>60));
			console.log("age<60: "+(age<60));
			console.log("age==60: "+(age==60));
			console.log("age===60: "+(age===60));
			console.log("age>=60: "+(age>=60));
			console.log("age<=60: "+(age<=60));
			console.log("age!=60: "+(age!=60));
			
			// == 会将变量转换成一样的类型
			console.log("'60' == 60  : "+('60' == 60))
			console.log("typeof('60') : "+(typeof('60')))
			console.log("typeof(60) : "+(typeof(60)))
			console.log("'60' === 60  : "+('60' === 60))
			
			
			console.log("'60' != 60  : "+('60'!= 60))
			console.log("'60' !== 60  : "+('60'!== 60))
			
			console.log('typeof(true): '+typeof(true))
			
			
			
					
		</script>
	</head>
	<body>
		
		
		
		
		
		
		
	</body>
</html>
